Mechanical Apparatus TRIZ Cases

Thermal and visible room images reveal airflow and temperature distribution, helping users adjust AC settings for comfort and lower power use.

Redundant air handling and power buses keep a mobile cleanroom validated, sterile, and running without service interruption.

Bypassing part of the refrigerant during defrost keeps high-pressure heating flow, reducing compressor load and energy loss.

Dynamic refrigerant supercooling and valve control stabilize cabin air temperature and humidity despite airflow and heat-release variation.

Controlled airflow, filtration, and atomized fog improve room-wide disinfection coverage while shortening treatment time in sensitive facilities.

Temperature and enthalpy sensing drive start-stop-jog wheel control to limit moisture and dust buildup while preserving energy recovery efficiency.

Subcooling units and an expansion valve stabilize refrigerant before indoor heat exchange, preventing pure-gas overheating in multi-split cooling.

Retrofitted cooling towers use venturi-driven airflow and a water curtain to remove urban particulate matter without new large facilities.

Load-based switching from cooling to dehumidification helps the indoor heat exchanger maintain moisture removal while limiting COP loss.

A compact non-V-bank filter cartridge uses deep-pleat high-MERV media to block PRRSV while cutting space and installation effort.

Benchmarking HVAC run time and static pressure reveals sizing and duct installation faults that drive energy waste and poor system integrity.

A curved light-guiding annular set spreads LED output evenly, creating a bright halo with fewer emitters and lower risk of ring damage.

A socket-and-base quick-release mount lets HVAC UV lamps be installed or replaced tool-free from either side while maintaining an air-tight seal.

A floor plan interface links room icons to air conditioner controls, cutting operation steps while showing device status in place.

A side-mounted insulated microphone housing blocks airflow, ambient noise, and vibration to improve air conditioner voice recognition.

A duct pressure switch triggers make-up air intake to counter building negative pressure and limit harmful compound inflow.

Real-time physiological and environmental sensing adjusts light and other conditions to better regulate circadian rhythm and sleep-related health issues.

Nonlinear fan pressure control uses real-time optimization to prevent oscillation and keep escape routes protected during rapid door-state changes.

Adjustable fan modules boost radiator airflow to improve heat output from low-temperature water without enlarging the radiator.

Fast and slow refrigerant temperature tracking helps multi-indoor air conditioners save energy without delaying rooms from reaching set temperature.

A thermostat triggers condensate tray heating only during defrosting and freezing risk, cutting unnecessary heat exchanger drain energy use.

Automatic controller calibration resets damper positions to maintain target outside airflow as conditions change, reducing HVAC energy waste.

Optical isolation and programmable controllers let HVAC BLDC motors accept varied control signals while protecting equipment from transient currents.

A barrier layer lets pleated HVAC media combine particle filtration and UV-activated PCO without UV damage, reducing space and maintenance cost.

Dual seals and a recessed flap improve exhaust vent closure to block air infiltration, resist wind opening, and reduce heat loss.

Switching valves route refrigerant between a heat rejecting exchanger and multiple condensers to match condensing power with cooling demand.

Feedback from airflow and pressure measurements coordinates multiple ventilation units to maintain air balance and cut energy waste.

A wireless sensor and microprocessor controller adjust fan and pump operation to limit humidity, water use, and unnecessary cooling.

Dewpoint-based away-mode HVAC control limits humidity in empty rooms to prevent mold while avoiding unnecessary overcooling and energy use.

A two-stage flap drive keeps spring force inactive during initial ejection, allowing a smaller ejector and compact furniture hardware.

Selective valves and controller logic recover excess energy across existing HVAC systems without major infrastructure changes or intrusive retrofits.

A counter-flow honeycomb exchanger fits into or beside a window frame to recover heat, cut noise, and preserve natural ventilation.

Adjusting expansion valve opening stabilizes refrigerant injection and intermediate pressure across cooling, heating, and defrost modes.

Temperature-based valve control adjusts refrigerant injection to protect the compressor while preserving climate system capacity.

Switching refrigerant passages between series and parallel heat exchange widens air temperature control while limiting frost and preserving dehumidification.

A degradable UV-exposed material gives a clear end-of-life signal for HVAC lamps, helping replace them before air treatment declines.

By excluding unstable blade-angle ranges, the control unit switches between Coanda and non-Coanda airflow for consistent air direction.

Recursive HVAC loop monitoring uses predictability and offset indices to detect degradation, diagnose causes, and trigger retuning or alarms.

A rotatable washer in the lead screw groove cuts needle friction, easing valve reset and improving expansion valve reliability.

Dynamic stack-effect pressure calculation adjusts return air fans and dampers to stabilize lobby temperatures while cutting HVAC energy waste.

Porous open-cell collecting electrodes trap charged particles inside the filter, cutting re-entrainment, pressure drop, and HVAC cleaning frequency.

Variable compressor speed and expansion valve control stabilize dryer air temperature, avoid subcooler heat loss, and protect fabrics.

Light guides route LED output into the dispenser area while keeping the PCB and light sources isolated from water and hidden behind the fascia.

Pressure equalization and refrigerant discharge control limit liquid carryover from flat-tube outdoor coils, protecting the compressor at heating restart.

A wizard-based preview tool lets users customize wall module screen segments, track memory use, and reduce HVAC setup errors.

A curved, movable Coanda vane redirects indoor unit airflow upward while avoiding intake short circuits without a separate guide plate.

Multiple throttled indoor loops use heat transfer fluid buffering to deliver stable, quiet cooling in small rooms without refrigerant cycling.

Joint expansion-valve control uses suction pressure and temperature to stabilize superheating across parallel evaporators and protect compressors.

Multiple condensation fans and coordinated speed control keep heat exchange effective in a smaller machine room while reducing noise.

Mobile proximity and stored comfort preferences let building controls adjust temperature and humidity automatically without custom hardware.